31342019905

素因数分解:

$5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{877}}^1\times {\mathrm{881}}^1$

素因数の和:1850

約数の個数: 64

約数和(自身を含む): 46092049920

約数和(自身を除く): 14750030015

約数列:

[1, 5, 7, 19, 35, 61, 95, 133, 305, 427, 665, 877, 881, 1159, 2135, 4385, 4405, 5795, 6139, 6167, 8113, 16663, 16739, 30695, 30835, 40565, 53497, 53741, 83315, 83695, 116641, 117173, 267485, 268705, 374479, 376187, 583205, 585865, 772637, 1016443, 1021079, 1872395, 1880935, 3863185, 5082215, 5105395, 5408459, 7115101, 7147553, 14680103, 27042295, 35575505, 35737765, 47130857, 73400515, 102760721, 235654285, 329915999, 513803605, 895486283, 1649579995, 4477431415, 6268403981, 31342019905]

約数ペア:

[(1, 31342019905), (5, 6268403981), (7, 4477431415), (19, 1649579995), (35, 895486283), (61, 513803605), (95, 329915999), (133, 235654285), (305, 102760721), (427, 73400515), (665, 47130857), (877, 35737765), (881, 35575505), (1159, 27042295), (2135, 14680103), (4385, 7147553), (4405, 7115101), (5795, 5408459), (6139, 5105395), (6167, 5082215), (8113, 3863185), (16663, 1880935), (16739, 1872395), (30695, 1021079), (30835, 1016443), (40565, 772637), (53497, 585865), (53741, 583205), (83315, 376187), (83695, 374479), (116641, 268705), (117173, 267485)]